| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | South Africa | 2 | |
| #5 | Austria | 1 | |
| #6 | Switzerland | 1 | |
| #7 | German Democratic Republic | 1 | |
| #8 | Israel | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Live-saving devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brda Walter | 10 |
| #2 | Brda Otto | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE3604973A1 | Abseiling harness | |
| DE3243952A1 | DESCELER | |
| EP0046891A2 | Rope lowering device | |
| DE2915607A1 | SECURITY AND RESCUE RACK |